18. LIGHTS/INSTRUMENTS/SWITCHES/HORN/ FUEL UNIT Pulsar CK 125 Fuel Unit FUEL UNIT Keep flames and sparks away from the working area. REMOVAL Remove the seat and fuel tank. (Refer to 4- 8.) Remove the four fuel unit attaching nuts. Remove the fuel unit. Be careful not to bend or damage the Nuts fuel unit float arm. INSPECTION Check the fuel unit O-ring for wear, damage or deformation. Replace if necessary. Full Measure the resistances between the fuel unit wire terminals with the float at the upper (Full) and lower (Empty) positions. Resistances: Upper (Full): 912 Lower (Empty): 70100 Empty Connect the fuel unit wire coupler to the wire harness and turn the ignition switch ON. Check the fuel gauge needle for correct indication by moving the float up and down. If the needle does not move to "F" or "E", the fuel gauge is faulty and replace it with a new one. If the needle swings, the fuel unit is faulty and replace it with a new one. INSTALLATION Install the fuel unit in the reverse of removal. Check for fuel leakage after installation. 18-5